<template>
  <div>
    <div class="search">
        <input v-model="keyword" class="search-input" type="text" placeholder="输入城市名或拼音">
    </div>
    <div class="search-content" v-show="keyword" ref="search">
      <ul>
        <li v-for="item in list" :key="item.id" class="search-item border-bottom" @click="handleCityClick(item.name)">{{item.name}}</li>
        <li class="search-item border-bottom" v-show="hasNoData">没有找到匹配数据</li>
      </ul>
    </div>
  </div>
</template>

<script>
import BScroll from '@better-scroll/core'
export default {
  props:{
    cities:Object
  },
  mounted(){
    let wrapper = document.querySelector('.search-content')
    this.scroll = new BScroll(wrapper)
    // this.scroll = new BScroll(this.$refs.search)
  },
  data(){
    return{
      keyword:'',
      list:[],
      timmer:null
    }
  },
  computed:{
    hasNoData(){
      return !this.list.length
    }
  },
  methods:{
      handleCityClick(city){
        this.$store.dispatch('changeCity',city)
        this.$router.push('/')
      }
  },
  watch:{
    keyword(){
      if(this.timmer){
        console.log(this.timmer);
        clearTimeout(this.timmer)
      }
      if(!this.keyword){
        this.list=[]
        return
      }
      this.timmer=setTimeout(()=>{
        const result=[]
        for(let i in this.cities){
          this.cities[i].forEach((value) => {
            if(value.spell.indexOf(this.keyword)>-1||value.name.indexOf(this.keyword)>-1){
              // console.log(value.spell.indexOf(this.keyword));
              result.push(value)
            }
          });
        }
        this.list=result
      },100)
    }
  },
  
}
</script>

<style lang="stylus" scoped>
@import "~@/assets/styles/varibles.styl"
.search
    height .72rem
    padding 0 .1rem
    background $bgColor
    .search-input
        width 100%
        height .62rem
        line-height .62rem
        text-align center
        border-radius .06rem
        color #666
        box-sizing border-box
        padding 0 .1rem
.search-content
  overflow hidden
  z-index 1
  position absolute
  top 1.58rem
  left 0
  right 0
  bottom 0
  background #eee
  .search-item
    line-height .62rem
    height .62rem
    color #666
    background #fff
</style>